By providing fast results, detecting a wide range of substances, and simplifying procedures, these kits support informed ...

Nearly half the states now have laws legalizing recreational marijuana, with half of the general population and 41% of truck drivers now living in states where recreational marijuana use is legal.

As more states legalize marijuana and competition for talent grows fiercer, the U.S. government is loosening guidelines from the “Just Say No” era. By Ernesto Londoño Not long ago, urinating in a cup ...